#include #include

#define MAX_REMIND 50 /* maximum number of reminders */ #define MSG_LEN 60 /* max length of reminder message */

int read_line(char str[], int n);

int main(void) { char reminders[MAX_REMIND][MSG_LEN+3]; char day_str[3], msg_str[MSG_LEN+1]; int day, i, j, num_remind = 0;

for (;;) { if (num_remind == MAX_REMIND) { printf("-- No space left -- "); break; }

printf("Enter day and reminder: "); scanf("%2d", &day); if (day == 0) break; sprintf(day_str, "%2d", day); read_line(msg_str, MSG_LEN);

for (i = 0; i < num_remind; i++) if (strcmp(day_str, reminders[i]) < 0) break; for (j = num_remind; j > i; j--) strcpy(reminders[j], reminders[j-1]);

strcpy(reminders[i], day_str); strcat(reminders[i], msg_str);

num_remind++; }

printf(" Day Reminder "); for (i = 0; i < num_remind; i++) printf(" %s ", reminders[i]);

return 0; }

int read_line(char str[], int n) { int ch, i = 0;

while ((ch = getchar()) != ' ') if (i < n) str[i++] = ch; str[i] = '\0'; return i; }

** Hello! I could use some help please. I am trying to learn about this code so could someone break it down line by line telling me what it does and why? It would be most helpful thank you in advance.**